class Solution(object):
    def isBoomerang(self, points):
        """
        :type points: List[List[int]]
        :rtype: bool
        """
        x = [points[1][0] - points[0][0], points[1][1] - points[0][1]]
        y = [points[2][0] - points[0][0], points[2][1] - points[0][1]]
        return True if x[0] * y[1] - x[1] * y[0] else False
